Behavioral task
behavioral1
Sample
2024-01-18_5771ee14540a72b8c75ec6a3cdcb14b0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_5771ee14540a72b8c75ec6a3cdcb14b0_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_5771ee14540a72b8c75ec6a3cdcb14b0_cryptolocker
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Size
80KB
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MD5
5771ee14540a72b8c75ec6a3cdcb14b0
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SHA1
0f90dba5c09751bd561923462f8260e77646ddcb
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SHA256
44d4683a2fa20adfc322992da435a6970da48e3e48fe06d564705ef0d6820340
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SHA512
39d2b784e4717051c39fe0cba364e2ae138e2775e65b6f35bcd1049acdb8a55eafc3f3ce5c01d9e29d78a69312a3167187e9462e51610c919f792e4501138a23
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7H:T6a+rdOOtEvwDpjN7
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-18_5771ee14540a72b8c75ec6a3cdcb14b0_cryptolocker
Files
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2024-01-18_5771ee14540a72b8c75ec6a3cdcb14b0_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE